SCHENECTADY — A smoky blaze that damaged a vacant Duane Avenue home near a normally busy intersection is considered suspicious, according to the city's fire chief.

Chief Michael Della Rocco said the fire in the 400 block of Duane Avenue near Brandywine Avenue was the second city firefighters had responded to within four hours.

He said it was reported by a city police officer in the area

The chief said the structure, which is owned by the city, will likely be demolished Tuesday.

City police are working jointly on the investigation with local fire investigators as well as the state Office of Fire Protection and Control Arson Bureau and the federal bureau of Alcohol, Tobacco, Firearms, and Explosives.